@extends('layouts.app')
@section('title', $product->title)

@section('content')
    <div class="row">
        <div class="col-lg-10 offset-lg-1">
            <div class="card">
                <div class="card-body product-info">
                    <div class="row">
                        <div class="col-5">
                            <img class="cover" src="{{ $product->image_url }}" alt="">
                        </div>
                        <div class="col-7">
                            <div class="title">{{ $product->title }}</div>
                            <!-- 众筹商品模块开始 -->
                            @if($product->type === \App\Models\Product::TYPE_CROWDFUNDING)
                                <div class="crowdfunding-info">
                                    <div class="have-text">已筹到</div>
                                    <div class="total-amount"><span class="symbol">￥</span>{{ $product->crowdfunding->total_amount }}</div>
                                    <!-- 这里使用了 Bootstrap 的进度条组件 -->
                                    <div class="progress">
                                        <div class="progress-bar progress-bar-success progress-bar-striped"
                                             role="progressbar"
                                             aria-valuenow="{{ $product->crowdfunding->percent }}"
                                             aria-valuemin="0"
                                             aria-valuemax="100"
                                             style="min-width: 1em; width: {{ min($product->crowdfunding->percent, 100) }}%">
                                        </div>
                                    </div>
                                    <div class="progress-info">
                                        <span class="current-progress">当前进度：{{ $product->crowdfunding->percent }}%</span>
                                        <span class="float-right user-count">{{ $product->crowdfunding->user_count }}名支持者</span>
                                    </div>
                                    <!-- 如果众筹状态是众筹中，则输出提示语 -->
                                    @if ($product->crowdfunding->status === \App\Models\CrowdfundingProduct::STATUS_FUNDING)
                                        <div>此项目必须在
                                            <span class="text-red">{{ $product->crowdfunding->end_at->format('Y-m-d H:i:s') }}</span>
                                            前得到
                                            <span class="text-red">￥{{ $product->crowdfunding->target_amount }}</span>
                                            的支持才可成功，
                                            <!-- Carbon 对象的 diffForHumans() 方法可以计算出与当前时间的相对时间，更人性化 -->
                                            筹款将在<span class="text-red">{{ $product->crowdfunding->end_at->diffForHumans(now()) }}</span>结束！
                                        </div>
                                    @endif
                                </div>
                        @else
                            <!-- 原普通商品模块开始 -->
                                <div class="price"><label>价格</label><em>￥</em><span>{{ $product->price }}</span></div>
                                <div class="sales_and_reviews">
                                    <div class="sold_count">累计销量 <span class="count">{{ $product->sold_count }}</span></div>
                                    <div class="review_count">累计评价 <span class="count">{{ $product->review_count }}</span></div>
                                    <div class="rating" title="评分 {{ $product->rating }}">评分
                                        <span class="count">{{ str_repeat('★', floor($product->rating)) }}{{ str_repeat('☆', 5 - floor($product->rating)) }}</span>
                                    </div>
                                </div>
                                <!-- 原普通商品模块结束 -->
                        @endif
                        <!-- 众筹商品模块结束 -->
                            <div class="skus">
                                <label>选择</label>
                                <div class="btn-group btn-group-toggle" data-toggle="buttons">
                                    @foreach($product->skus as $sku)
                                        <label
                                            class="btn sku-btn"
                                            data-price="{{ $sku->price }}"
                                            data-stock="{{ $sku->stock }}"
                                            data-toggle="tooltip"
                                            title="{{ $sku->description }}"
                                            data-placement="bottom">
                                            <input type="radio" name="skus" autocomplete="off" value="{{ $sku->id }}"> {{ $sku->title }}
                                        </label>
                                    @endforeach
                                </div>
                            </div>
                            <div class="cart_amount"><label>数量</label><input type="text" class="form-control form-control-sm" value="1"><span>件</span><span class="stock"></span></div>
                            <div class="buttons">
                                @if($favored)
                                    <button class="btn btn-danger btn-disfavor">取消收藏</button>
                                @else
                                    <button class="btn btn-success btn-favor">❤ 收藏</button>
                                @endif
                            <!-- 众筹商品下单按钮开始 -->
                                @if($product->type === \App\Models\Product::TYPE_CROWDFUNDING)
                                    @if(Auth::check())
                                        @if($product->crowdfunding->status === \App\Models\CrowdfundingProduct::STATUS_FUNDING)
                                            <button class="btn btn-primary btn-crowdfunding">参与众筹</button>
                                        @else
                                            <button class="btn btn-primary disabled">
                                                {{ \App\Models\CrowdfundingProduct::$statusMap[$product->crowdfunding->status] }}
                                            </button>
                                        @endif
                                    @else
                                        <a class="btn btn-primary" href="{{ route('login') }}">请先登录</a>
                                    @endif
                                @else
                                    <button class="btn btn-primary btn-add-to-cart">加入购物车</button>
                            @endif
                            <!-- 众筹商品下单按钮结束 -->
                            </div>
                        </div>
                    </div>
                    <div class="product-detail">
                        <ul class="nav nav-tabs" role="tablist">
                            <li class="nav-item">
                                <a class="nav-link active" href="#product-detail-tab" aria-controls="product-detail-tab" role="tab" data-toggle="tab" aria-selected="true">商品详情</a>
                            </li>
                            <li class="nav-item">
                                <a class="nav-link" href="#product-reviews-tab" aria-controls="product-reviews-tab" role="tab" data-toggle="tab" aria-selected="false">用户评价</a>
                            </li>
                        </ul>
                        <div class="tab-content">
                            <div role="tabpanel" class="tab-pane active" id="product-detail-tab">
                                {!! $product->description !!}
                            </div>
                            <div role="tabpanel" class="tab-pane" id="product-reviews-tab">
                                <!-- 评论列表开始 -->
                                <table class="table table-bordered table-striped">
                                    <thead>
                                    <tr>
                                        <td>用户</td>
                                        <td>商品</td>
                                        <td>评分</td>
                                        <td>评价</td>
                                        <td>时间</td>
                                    </tr>
                                    </thead>
                                    <tbody>
                                    @foreach($reviews as $review)
                                        <tr>
                                            <td>{{ $review->order->user->name }}</td>
                                            <td>{{ $review->productSku->title }}</td>
                                            <td>{{ str_repeat('★', $review->rating) }}{{ str_repeat('☆', 5 - $review->rating) }}</td>
                                            <td>{{ $review->review }}</td>
                                            <td>{{ $review->reviewed_at->format('Y-m-d H:i') }}</td>
                                        </tr>
                                    @endforeach
                                    </tbody>
                                </table>
                                <!-- 评论列表结束 -->
                            </div>
                        </div>
                    </div>
                </div>
            </div>
        </div>
    </div>
@endsection
@section('scriptsAfterJs')
    <script>
        $(document).ready(function () {
            $('[data-toggle="tooltip"]').tooltip({trigger: 'hover'});
            $('.sku-btn').click(function () {
                $('.product-info .price span').text($(this).data('price'));
                $('.product-info .stock').text('库存：' + $(this).data('stock') + '件');
            });

            // 监听收藏按钮的点击事件
            $('.btn-favor').click(function () {
                axios.post('{{ route('products.favor', ['product' => $product->id]) }}')
                    .then(function () {
                        swal('操作成功', '', 'success')
                            .then(function () {  // 这里加了一个 then() 方法
                                location.reload();
                            });
                    }, function(error) {
                        if (error.response && error.response.status === 401) {
                            swal('请先登录', '', 'error');
                        }  else if (error.response && error.response.data.msg) {
                            swal(error.response.data.msg, '', 'error');
                        }  else {
                            swal('系统错误', '', 'error');
                        }
                    });
            });

            $('.btn-disfavor').click(function () {
                axios.delete('{{ route('products.disfavor', ['product' => $product->id]) }}')
                    .then(function () {
                        swal('操作成功', '', 'success')
                            .then(function () {
                                location.reload();
                            });
                    });
            });

            // 加入购物车按钮点击事件
            $('.btn-add-to-cart').click(function () {

                // 请求加入购物车接口
                axios.post('{{ route('cart.add') }}', {
                    sku_id: $('label.active input[name=skus]').val(),
                    amount: $('.cart_amount input').val(),
                })
                    .then(function () {
                        swal('加入购物车成功', '', 'success')
                            .then(function() {
                                location.href = '{{ route('cart.index') }}';
                            });
                    }, function (error) { // 请求失败执行此回调
                        if (error.response.status === 401) {

                            // http 状态码为 401 代表用户未登陆
                            swal('请先登录', '', 'error');

                        } else if (error.response.status === 422) {

                            // http 状态码为 422 代表用户输入校验失败
                            var html = '<div>';
                            _.each(error.response.data.errors, function (errors) {
                                _.each(errors, function (error) {
                                    html += error+'<br>';
                                })
                            });
                            html += '</div>';
                            swal({content: $(html)[0], icon: 'error'})
                        } else {

                            // 其他情况应该是系统挂了
                            swal('系统错误', '', 'error');
                        }
                    })
            });
            // 参与众筹 按钮点击事件
            $('.btn-crowdfunding').click(function () {
                // 判断是否选中 SKU
                if (!$('label.active input[name=skus]').val()) {
                    swal('请先选择商品');
                    return;
                }
                // 把用户的收货地址以 JSON 的形式放入页面，赋值给 addresses 变量
                var addresses = {!! json_encode(Auth::check() ? Auth::user()->addresses : []) !!};
                // 使用 jQuery 动态创建一个表单
                var $form = $('<form></form>');
                // 表单中添加一个收货地址的下拉框
                $form.append('<div class="form-group row">' +
                    '<label class="col-form-label col-sm-3">选择地址</label>' +
                    '<div class="col-sm-9">' +
                    '<select class="custom-select" name="address_id"></select>' +
                    '</div></div>');
                // 循环每个收货地址
                addresses.forEach(function (address) {
                    // 把当前收货地址添加到收货地址下拉框选项中
                    $form.find('select[name=address_id]')
                        .append("<option value='" + address.id + "'>" +
                            address.full_address + ' ' + address.contact_name + ' ' + address.contact_phone +
                            '</option>');
                });
                // 在表单中添加一个名为 购买数量 的输入框
                $form.append('<div class="form-group row">' +
                    '<label class="col-form-label col-sm-3">购买数量</label>' +
                    '<div class="col-sm-9"><input class="form-control" name="amount">' +
                    '</div></div>');
                // 调用 SweetAlert 弹框
                swal({
                    text: '参与众筹',
                    content: $form[0], // 弹框的内容就是刚刚创建的表单
                    buttons: ['取消', '确定']
                }).then(function (ret) {
                    // 如果用户没有点确定按钮，则什么也不做
                    if (!ret) {
                        return;
                    }
                    // 构建请求参数
                    var req = {
                        address_id: $form.find('select[name=address_id]').val(),
                        amount: $form.find('input[name=amount]').val(),
                        sku_id: $('label.active input[name=skus]').val()
                    };
                    // 调用众筹商品下单接口
                    axios.post('{{ route('crowdfunding_orders.store') }}', req)
                        .then(function (response) {
                            // 订单创建成功，跳转到订单详情页
                            swal('订单提交成功', '', 'success')
                                .then(() => {
                                    location.href = '/orders/' + response.data.id;
                                });
                        }, function (error) {
                            // 输入参数校验失败，展示失败原因
                            if (error.response.status === 422) {
                                var html = '<div>';
                                _.each(error.response.data.errors, function (errors) {
                                    _.each(errors, function (error) {
                                        html += error+'<br>';
                                    })
                                });
                                html += '</div>';
                                swal({content: $(html)[0], icon: 'error'})
                            } else if (error.response.status === 403) {
                                swal(error.response.data.msg, '', 'error');
                            } else {
                                swal('系统错误', '', 'error');
                            }
                        });
                });
            });

        });
    </script>
@endsection
